The Archives of the Episcopal Church is responsible for the collection, management, and preservation of the records and archives of the national Episcopal Church. The national Church includes the General Convention and the Domestic and Foreign Missionary Society.

The archives collects material that documents the Congregational, Congregational Christian, Christian and United Church of Christ tradition throughout the world. There are approximately 900 separate archival and manuscript collections totaling 1200 linear feet.

Located in Ontario, the holdings in the archives include records for the Presbyterian Church in Canada; the Methodist Church (Canada); the Congregational Union of Canada; Local Union Churches; and the Evangelical United Brethren Church. There are also personal papers, biographical files and photographs.